BB no longer spins... That's a bit strange.

weeksy59

Went out for a VERY wet and muddy one on Monday...

Bike was cleaned and put away in the exact same way it always has been. However went to fit my Superstar Chainguide today and my cranks don't spin... well they do... but it's not a proper spinning movement that i'd expect.
Removed the cranks, basically both sides of the BB barely move !!!!

Removed the BB to make sure nothing is i dunno, binding, but once out, exactly the same. Bike has been quiet as a mouse, no issues with BB etc.

Am i missing something here ?

BB is a bog standard cheapo generic Shimano item.

cooldad

HTII? It happens, bearings fubared. Open them up and they'll be rusty/gunky. You can get a bit more life if you take the cover off carefully, get them moving, and regrease, but they are thin plastic and break easily.
New BB time. I got fed up with Deore and now use XTR, bit pricy but better sealing.

ilovedirt

Mine have done that before, spinning perfectly the day before, put the bike away and the next day it doesn't move. New BB time.

nicklouse

weeksy59 wrote:

BB is a bog standard cheapo generic Shimano item.

so what bog standard is that then?

weeksy59

nicklouse wrote:

weeksy59 wrote:

BB is a bog standard cheapo generic Shimano item.

so what bog standard is that then?

One of these Deore from Merlin

http://www.merlincycles.com/bike-shop/m ... acket.html

I'll order a couple, keep one as a spare.

ilovedirt

I use the SLX ones, bit pricier, but I assume it has better quality bearings/sealing. I could be wrong though...

snotty badger

Rose were doing XTR for about £17 each, probably worth buying a couple at that price...

YeehaaMcgee

I have been reliably informed that these are the best BBs available.
http://www.balfa.co.uk/parts/parts-bott ... m-brackets

cooldad

But a bit pricey. XT/SLX is a decent upgrade, and XTR are even better. Only fancy bit I have on my bike is an XTR BB and no one even notices it. Hidden bling.
But so far has lasted a few years. Deore never lasted more than a year.

YeehaaMcgee

£40? How much is an XTR?
It's not for bling, it's for longevity.

cooldad

You haven't worked out yet how cheap I am? £20, a bit less than an XT.
As I have no real life I shop around, and my Googling skills are strong.

But I thought you meant a silly ceramic one.